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Memaloose Airport

25U · Imnaha, OR · 6,708 ft elevation · var 18E · Towered

Airport information

FAA LID
25U
Coordinates
45.4277, -116.6940
Elevation
6,708 ft MSL
Magnetic variation
18E
Sectional chart
GREAT FALLS
Airport use
Public
Control tower
Yes
ARTCC
SEATTLE (ZSE)
Flight service (FSS)
MC MINNVILLE
NOTAM facility
MMV
Attendance
UNATNDD
Segmented circle
No
Wind indicator
yes
Activated
1949/11
Distance from city
10 SE

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-20

EventLocal (PDT)UTC
Morning civil twilight
Loggable night ends
04:20 AM11:20Z
Sunrise04:58 AM11:58Z
Sunset08:39 PM03:39Z
Evening civil twilight
Loggable night begins
09:17 PM04:17Z
Loggable night (§1.1)
09:17 PM → 04:20 AM
Night currency (§61.57)
09:39 PM → 03:58 AM

Plan a flight from 25U

Runway 17/35

3,300 ft × 120 ft · Dirt (Fair)
17
Heading
174° mag · 192° true
Traffic pattern
Right
35
Heading
354° mag · 12° true
Traffic pattern
Right

No published frequencies or nearby navaids for 25U.

Chart Supplement FAA A/FD

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Services

Bottled oxygen
NONE
Bulk oxygen
NONE
Airframe service
NONE
Powerplant service
NONE

Ownership & management

Owner
USFS WALLOWA-WHITMAN
59973 DOWNS RD, LA GRANDE, OR
541-963-7171
Manager
BRANDON CULLEY-UNIT AVIATION OFFICE
59973 DOWNS RD, LA GRANDE, OR
541-963-7171

Remarks FAA

  • ESTABD PRIOR TO 1959.
  • CLSD WINTERS
  • EARLY SPRING: DAMP SOFT SPOT ON NORTH END OF RWY; LAND LONG TO SOUTH.
  • RY 35 EXPECT DOWNDRAFTS ON SHORT FINAL DUE TO SHEER DROP IN TERRAIN.
  • LIVESTOCK AND WILDLIFE ON & INVOF ARPT.
  • RY 17 SLOPES UP 2.5 % TO SOUTH.
  • NO LINE OF SIGHT BTN RY ENDS.
  • RY 35 HAS 9 INCH BERM ALONG L SHOULDER 500 FT.
  • FOR CD CTC SEATTLE ARTCC AT 253-351-3694.
  • THLD MKD BY WHITE ROCKS ACROSS RY END.
  • LOOSE 3 IN - 6 IN ROCKS ON RWY; RWY FAIR DEFINED FOR GRVL TURF RWY. SOUTH 1000 FT RUF & OVERGROWN WITH WEEDS.

Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 25U in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.